Merle Grandberg was honored at the Jewish Community Housing for the Elderly’s annual event, co-chaired by Dan Kraft and wife Wendy, Lynne Elf­land, Ellen Mittman, and Robin Polishook. Grandberg has been JCHE’s board chair for three years and has long been active with Combined Jewish Philanthropies. . . . It’s true that chef Michael Schlow is closing Radius after 15 years — but not quite yet. Friday’s special dinner with Mario Batali was one of several events planned to mark the closing, which happens June 29.